3 years ago

Factor completely 2a^2 + 2b^2 - 5ab

Mathematics

2 answers:

Brums [2.3K]3 years ago

8 0

(a-2b)*(2a-b) is how you factor hope this helps

Zinaida [17]3 years ago

5 0

(a - 2b) • (2a - b) is how you factor this using FOIL

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Simplify 2√2-√3 --------------- √2+√3

serious [3.7K]

Step-by-step explanation:

$= \frac{2 \sqrt{2} - \sqrt{3} }{ \sqrt{2} + \sqrt{3} }$

$= \frac{2 \sqrt{2} - \sqrt{3} }{ \sqrt{2} + \sqrt{3} } \times \frac{ \sqrt{2} - \sqrt{3} }{ \sqrt{2} - \sqrt{3} }$

$= \frac{ 2( \sqrt{2} - \sqrt{3} )( \sqrt{2} - \sqrt{3} )}{ { \sqrt{2} }^{2} - { \sqrt{3} }^{2} }$

$= \frac{2(2 - \sqrt{6} - \sqrt{6} - 3) }{2 - 3}$

$= \frac{2( - 1 - 2 \sqrt{6} )}{ - 1}$

$= \frac{ - 2(1 + 2 \sqrt{6} )}{ - 1}$

$= 2(1 + 2 \sqrt{6} )$

$= 2 + 4 \sqrt{6}$

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1 year ago

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Katen [24]

Answer: Ill be glad to help but i need a better picture of the whole thing

Step-by-step explanation:

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2 years ago

What is the greatest common factor of 18 and 54?

Shtirlitz [24]

Answer:

Step-by-step explanation:

18=2×3×3

54=2×3×3×3

gcd=2×3×3=18

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2 years ago

Match the function with the graph. a. Y=√ x+4 b. Y=√ x-1 c. Y= √ x-1+4 d. Y=√ x+1

Musya8 [376]

Answer:

c. $y = \sqrt{x - 1} + 4\\$

Step-by-step explanation:

The x-1 is there because you can see that the starting point is 1 left from the y axis, and +4 because it starts four points above the x axis.

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2 years ago

Name all the sets that -8 belongs to

Harlamova29_29 [7]

Answer:

rational and real numbers

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2 years ago